1.   His expression said it all.

2.   What did his expression say?

3.   Her expression clearly said she was being too serious.

4.   Buster tells Beatrice, whose expression says she already knows, that John does well on hills.

5.   That goes without saying, his expression says.

6.   There was no reply but the stunned expressions said it all.

7.   Some in the crowd claimed not to be bothered by the loss, but their expressions said otherwise.